Public Competition With The Open Procedure For Contracts With A Budget Above The Limit Of Application Of Union Legislation (International Open Public Competition) For The "Mechanical Processing And Shaping Of Natural Stone: A) For New Architectural Members And B) For Additions To Ancient Members" In The Context Of The Project "Maintenance - Restoration - Enhancement Of The Theater And Other Monuments Of The Sanctuary Of Dodoni - Phase B'" - Sub-Project 3" Cpv: 92522200-8 (Historical Building Maintenance Services)